Physics

Gene

Algorithm

Distributed computing

Distributed algorithm

Power (physics)

Chemistry

Economic dispatch

Blockchain

Computer science

Quantum mechanics

Electric power system

Consensus algorithm

Computer security

State (computer science)

Biochemistry

Robustness (evolution)

IEEE Transactions on Power Systems

Distributed optimization algorithms for security-constrained economic dispatch (SCED) problems have been the subject of significant research interest in recent years. However, existing distributed SCED algorithms can be ineffective in the presence of malicious participants and inefficient in the absence of a coordinator. On the other hand, blockchain, an emerging technique known as the trust machine, has not shown its potential to address the above challenges in state-of-the-art literature. This paper proposes a blockchain-based distributed SCED algorithm. Using blockchain to form a coordination committee and enable balance among committee members, the proposed method allows the use of hierarchical SCED algorithms in the absence of a coordinator and can disable malicious participants. Numerical results show the robustness and necessity of the proposed blockchain-based SCED algorithm, by comparing the SCED results with and without blockchain.

A Distributed and Robust Security-Constrained Economic Dispatch Algorithm Based on Blockchain